Q: Is 12,170,720 a Composite Number?

Why is 12,170,720 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 12,170,720 can be evenly divided by 1 2 4 5 8 10 16 20 29 32 40 43 58 61 80 86 116 122 145 160 172 215 232 244 290 305 344 430 464 488 580 610 688 860 928 976 1,160 1,220 1,247 1,376 1,720 1,769 1,952 2,320 2,440 2,494 2,623 3,440 3,538 4,640 4,880 4,988 5,246 6,235 6,880 7,076 8,845 9,760 9,976 10,492 12,470 13,115 14,152 17,690 19,952 20,984 24,940 26,230 28,304 35,380 39,904 41,968 49,880 52,460 56,608 70,760 76,067 83,936 99,760 104,920 141,520 152,134 199,520 209,840 283,040 304,268 380,335 419,680 608,536 760,670 1,217,072 1,521,340 2,434,144 3,042,680 6,085,360 and 12,170,720, with no remainder.

Since 12,170,720 cannot be divided by just 1 and 12,170,720, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).